| fantastic(adjective, strange, fantasy, imaginary, unreal) |
| hallucinatory(adjective, strange, negative, fantasy, unreal) |
| metaphysical(adjective, body, light, weak, slight) |
| negligible(adjective, slight, small, limited, unimportant) |
| shaky(adjective, weak, slight, thin, delicate) |
| small(adjective, light, weak, slight, easy) |
| spiritual(adjective, body, abstract, shadowy, theoretical) |
| superficial(adjective, weak, slight, flat, poor) |
| chimerical(adjective, light, weak, negative, imaginary) |
| filmy(adjective, light, slight, easy, thin) |
| gauzy(adjective, light, weak, thin, feeble) |
| illusive(adjective, strange, fantasy, unreal) |
| inadequate(adjective, dull, light, weak, soft) |
| meaningless(adjective, slight, use, value, trivial) |
| nonmaterial(adjective, abstract, theoretical, abstruse, philosophical) |
| nonphysical(adjective, body, abstract, theoretical, immaterial) |
| ramshackle(adjective, feeble, frail, unsound, flimsy) |
| slender(adjective, mean, light, weak, slight) |
| unimportant(adjective, value, small, insignificant, trivial) |
| vague(adjective, value, negative, insignificant, unimportant) |